<!DOCTYPE HTML>
<title>Canvas test: 2d.imageData.get.source.negative</title>
<!--[if IE]><script src="../excanvas/excanvas.js"></script><![endif]-->
<script src="../tests.js"></script>
<link rel="stylesheet" href="../tests.css">
<body class="framed show_output">
<h1>
<a href="2d.imageData.get.source.negative.html" target="_parent">2d.&#8203;imageData.&#8203;get.&#8203;source.&#8203;negative</a>
</h1>
<p><a href="#" id="show_output" onclick="document.body.className += ' show_output'; return false">[show output]</a>
<p class="output">Actual output:</p>
<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

<ul id="d"></ul>
<script>
_addTest(function(canvas, ctx) {

ctx.fillStyle = '#000';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#fff';
ctx.fillRect(20, 10, 60, 10);

var imgdata1 = ctx.getImageData(85, 25, -10, -10);
_assertSame(imgdata1.data[0], 0, "imgdata1.data[\""+(0)+"\"]", "0");
_assertSame(imgdata1.data[1], 0, "imgdata1.data[\""+(1)+"\"]", "0");
_assertSame(imgdata1.data[2], 0, "imgdata1.data[\""+(2)+"\"]", "0");
_assertSame(imgdata1.data[3], 255, "imgdata1.data[\""+(3)+"\"]", "255");
_assertSame(imgdata1.data[imgdata1.length-4+0], 255, "imgdata1.data[imgdata1.length-4+0]", "255");
_assertSame(imgdata1.data[imgdata1.length-4+1], 255, "imgdata1.data[imgdata1.length-4+1]", "255");
_assertSame(imgdata1.data[imgdata1.length-4+2], 255, "imgdata1.data[imgdata1.length-4+2]", "255");
_assertSame(imgdata1.data[imgdata1.length-4+3], 255, "imgdata1.data[imgdata1.length-4+3]", "255");

var imgdata2 = ctx.getImageData(0, 0, -1, -1);
_assertSame(imgdata2.data[0], 0, "imgdata2.data[\""+(0)+"\"]", "0");
_assertSame(imgdata2.data[1], 0, "imgdata2.data[\""+(1)+"\"]", "0");
_assertSame(imgdata2.data[2], 0, "imgdata2.data[\""+(2)+"\"]", "0");
_assertSame(imgdata2.data[3], 0, "imgdata2.data[\""+(3)+"\"]", "0");


});
</script>

